Unit UT677A+ Pil Batarya İç Direnç Test Cihazı
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Function |
Range |
Resolution |
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Battery Internal resistance range |
0.000mΩ~3mΩ / ±1%fs. ±20dgt |
1uΩ |
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3.000mΩ~30mΩ / ±0.5%fs. ±15dgt. |
10uΩ |
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3.000mΩ~300mΩ / ±0.5%fs. ±15dgt. |
100uΩ |
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300mΩ~3Ω /±0.5% fs. ±15dgt. |
100mΩ |
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Battery Voltage range |
0.000V~±7 V/±0.2%fs. ±10dgt. |
1mV |
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7 V~±71.00V/±0.2 % fs. ±10dgt. |
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Temperature range |
-10.0°C~60.0°C (single range)/ ±1.0℃ |
0.1℃ |
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Accuracy Guaranteed Temperature Humidity |
23℃±5℃, <75%rh |
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Features |
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Measuring method |
1. Internal resistance measurement: 1KHz AC 4-terminal test method, open-circuit terminal voltage 3V max 2. Measuring current: 2.0mA~200mA (different measuring currents in different ranges) 3. Temperature measurement: NTC temperature sensor (10KΩ at 26°C) 4. A/D conversion method: successive approximation type 5. Display update frequency: 5 times/second |
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Screen |
3.5 inches (320*240, 16-bit true color screen) |
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Response time |
200ms |
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Measuring time |
About 2 sec |
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USB interface |
Read real-time measurement values, read historical measurement records |
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Bluethooth app |
√ |
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Data hold and storage |
1. Manual hold and storage, automatic hold and storage 2. Up to 5000 set measurement data storage |
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Measurement judgment function |
PASS, WARNING, FAIL judgment thresholds can be preset |
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Power |
1. DC 3.7V lithium battery 2. 5-bar display of power, reminding to charge in time |
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Power consumption |
300mA MIN/500mA MAX |
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Automatic shut-down |
Around 15 minutes |
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Weight |
480g (including battery) |
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Dimension |
190mm×121mm×51mm (L*W*H) |
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Working temperature and humidity |
-10℃～40℃; below 80%RH |
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Storage temperature and humidity |
-20℃～60℃; below 70%RH |
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Insulation resistance |
Above 20MΩ (500V between circuit and case) |
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Puncture test |
AC 3700V/rms (between circuit and case) |
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External magnetic field |
<40A/m |
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External electric field |
<1V/m |
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Suitable for safety regulations |
IEC 61010 |